diff --git a/vagrant-xenserver.gemspec b/vagrant-xenserver.gemspec
index 54b7f16..ee15023 100644
--- a/vagrant-xenserver.gemspec
+++ b/vagrant-xenserver.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
   s.description   = "Enables Vagrant to manage XenServers."
 
   s.add_development_dependency "rake"
-  s.add_runtime_dependency "nokogiri", "~> 1.6.3"
+  s.add_runtime_dependency "nokogiri", "~> 1.6.7"
   s.add_runtime_dependency "json"
 
   s.files         = `git ls-files`.split($\)